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Use latch instead of select() in walreceiver

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Replace use of poll()/select() by WaitLatchOrSocket(), which is more
portable and flexible.

Also change walreceiver to use its procLatch instead of a custom latch.

From: Petr Jelinek <petr@2ndquadrant.com>
This commit is contained in:
Peter Eisentraut
2016-11-30 12:00:00 -05:00
parent b999c247a5
commit 597a87ccc9
6 changed files with 43 additions and 89 deletions
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3
src/backend/postmaster/pgstat.c
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@@ -3338,6 +3338,9 @@ pgstat_get_wait_client(WaitEventClient w)
case WAIT_EVENT_WAL_RECEIVER_WAIT_START:
event_name = "WalReceiverWaitStart";
break;
case WAIT_EVENT_LIBPQWALRECEIVER_READ:
event_name = "LibPQWalReceiverRead";
break;
case WAIT_EVENT_WAL_SENDER_WAIT_WAL:
event_name = "WalSenderWaitForWAL";
break;